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Finding the Fourth Proportional to 88,354.72, 132,531.46 and 35,763.44

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Solution

The fourth proportional to 88,354.72, 132,531.46 and 35,763.44 is: 53,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,354.72 : 132,531.46 = 35,763.44 : x
  2. Step 2: Convert to fraction form
    88,354.72/132,531.46 = 35,763.44/x
  3. Step 3: Cross multiply
    88,354.72x = 132,531.46 × 35,763.44
  4. Step 4: Simplify right side
    88,354.72x = 4,739,780,917.82
  5. Step 5: Solve for x
    x = 4,739,780,917.82/88,354.72
  6. Step 6: Final answer
    x = 53,644.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.